Add 25/80 and 7/40
25/80 + 7/40 is 39/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
25/80 = 25 × 1/80 × 1 = 25/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
7/40 = 7 × 2/40 × 2 = 14/80 - Add the two like fractions:
25/80 + 14/80 = 25 + 14/80 = 39/80 - So, 25/80 + 7/40 = 39/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80+7/40 25/80+14/40 25/80+7/80 75/80+7/40 25/80+21/40 25/80+35/40 25/80+49/40